Finding the Fourth Proportional to 3,116,871.93, 4,301,241.39 and 1,740,236.74
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Solution
The fourth proportional to 3,116,871.93, 4,301,241.39 and 1,740,236.74 is: 2,401,503.32
Step by Step Solution
- Step 1: Write the proportion equation
3,116,871.93 : 4,301,241.39 = 1,740,236.74 : x - Step 2: Convert to fraction form
3,116,871.93/4,301,241.39 = 1,740,236.74/x - Step 3: Cross multiply
3,116,871.93x = 4,301,241.39 × 1,740,236.74 - Step 4: Simplify right side
3,116,871.93x = 7,485,178,283,733.57 - Step 5: Solve for x
x = 7,485,178,283,733.57/3,116,871.93 - Step 6: Final answer
x = 2,401,503.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.